228679940

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1\times {\mathrm{397}}^1$

素因数の和:836

約数の個数: 48

約数和(自身を含む): 488642112

約数和(自身を除く): 259962172

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 347, 397, 415, 694, 794, 830, 1388, 1588, 1660, 1735, 1985, 3470, 3970, 6940, 7940, 28801, 32951, 57602, 65902, 115204, 131804, 137759, 144005, 164755, 275518, 288010, 329510, 551036, 576020, 659020, 688795, 1377590, 2755180, 11433997, 22867994, 45735988, 57169985, 114339970, 228679940]

約数ペア:

[(1, 228679940), (2, 114339970), (4, 57169985), (5, 45735988), (10, 22867994), (20, 11433997), (83, 2755180), (166, 1377590), (332, 688795), (347, 659020), (397, 576020), (415, 551036), (694, 329510), (794, 288010), (830, 275518), (1388, 164755), (1588, 144005), (1660, 137759), (1735, 131804), (1985, 115204), (3470, 65902), (3970, 57602), (6940, 32951), (7940, 28801)]